This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Christ's blood preserved in a Belgian town.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

A haunting collection of the vanished and disappearing natural world.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

The celebrated eyesore created by starry-eyed sweethearts.

A French library that makes sure its love of books is writ large... giant in fact.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Jesus' footprints and the first catacombs in the world.

Pop culture has helped to keep this iconic British building from being destroyed.

Traditional 11th-century outdoor tannery.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

The tomb of a hard traveling saint is constantly covered in shoes as offerings to heal disabled youth.

This museum houses an imposing skeleton army comprised of creatures great and small.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.